Return-envelop.



W. THAYER. RETURN ENVEYLOP. AYPLIOATION FILED MAY 12. 1911.

Patented Mar. 24, 19%

Imemm walker TM z z the envelop in different stages -lng the gunnnededge of the .nnrrnn stains PATENT OFFICE.

wamna THAYER, or MERION, PENNSYLVANIA.

RETURN-ENVELOR,

Speciflcationof Letters Patent.

Patented Mar. 24,1914.

Application filed May 12, 1911. Serial No. 626,715.

' To all whom it may concern:

Be it known that I, WALTER THAYER, of

"Merion, in the county of Montgomery and State of Pennsylvania, haveinvented eertaln new and useful Improvements in Return-Envelops, whereofthe following is a specification, reference being had to the ac- 'velopembodying my invention; Fig. II is a similar view showing the two flapsfolded over-t0 one side of the envelop, prior to seallonger outer flapto the body of the envelop, below the edge of the inner shorter flap;Figs. III and IV are transverse vertical sections through of use; I

My improved mailing envelop is shown in its initial condition in Fig. Iwhere the pocket 10, is provided along one edge with a flap 11. andalongthe other edge with a flap 1.2. Flap 11, is a little longer than flap12, to the extent of the width of the gun'uned strip 13, on its back.

For initial use the two flaps 11, and 12, are folded together down onone side of the envelop, (see Fig. II), and because the flap ll. islonger than the flap I2, the guinmed strip 13. of the former may be usedto seal the envelop without involving the shorter flap .12, which restsintact between the flap l l, and the side of the pocket 10. I

aor first use the address and postage st amp are placed onthe exposedside of flap 1], and near its lower edge, or at least below theroulett-od line 15, which facilitates the,

subsequent removal of the lower half of this 'llhe first receiver, afteropening the enoff the part of the flap -11, below the line 15. Flap 12,is provided Witha gummed strip along its lower edge, as shown at 16, and

flap 11, having been shortened so as to extend only to line 15, flap 12,is now the longer of the two by thefwidth of this gum strip, so thatwhen the two flaps are folded eoincidently down over the other side ofthe envelop the pocket is again closed, and. may I i be sealed by use ofthe gummed strip 16, leaving intact so much as'remains of flap-11. Theaddress and are placed upon the back of flap 12, near its lower edge or'at least below'the rouletted line 17.

The second addressee by tearing it along the line 17, so'that theenvelop now (possesses two flaps still of unequal length, each hay'ing asingle gummed strip. r 1

The envelop can be used a'third time and postage stamp for this useafter opening the envelop removes the lower half of, flap 12,

also a fourth-time, as will beobvious from the above descri tion.

Having thus escribed my invention, I claim: I An envelop provided alongboth sides of its pocket with flaps, both of which may be foldedco-incidently pocket with alternate exposure of addressing surfaces uponeach flap, said flaps being ini tiallyof different lengths, and providedon their V adjacent inner faces with spaced gurmned strips, saidguinmedstrips being so spaced that the flap may be successivelyshortened in alternation with continual maintenance of their unequallengths, andwith the gunnned portion of the longer flap beyond the edgeof the shorter, thereby permitting the flap which is for the time being,the longer, to be gummed to the side of the to either side of theenvelop with the other flap intact beneath it. i

In testimony"whereof, I have hereunto Pennsylsigned my name atPhiladelphia, Vania, this eleventh day of May 1911.

W'ALTER THAYER. Witnesses:

JAMES H. BELL, -E. L. FULLERTON.

